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[Help-bash] declare -g -a array doing different things
From
:
Bill Gradwohl
Subject
:
[Help-bash] declare -g -a array doing different things
Date
:
Fri, 30 Mar 2012 21:15:29 -0600
Below please find two almost identical scripts - version1 & version2 and their output.
Here is a diff report :
address@hidden ycc# diff version*
5c5,6
< declare -g -a array=(function)
---
> declare -g -a array
> array=(function)
Why the different output?
Version1 appears to be creating a local array, not a global array.
The non array variable is treated correctly in both.
address@hidden ycc# cat version1
#!/bin/bash
func1(){
declare -g variable='function'
declare -g -a array=(function)
echo ${variable} address@hidden
}
declare -g variable='main'
declare -g -a array=(main)
echo ${variable} address@hidden
func1
echo ${variable} address@hidden
address@hidden ycc# ./version1
main main
function function
function main
address@hidden ycc# cat version2
#!/bin/bash
func1(){
declare -g variable='function'
declare -g -a array
array=(function)
echo ${variable} address@hidden
}
declare -g variable='main'
declare -g -a array=(main)
echo ${variable} address@hidden
func1
echo ${variable} address@hidden
address@hidden ycc# ./version2
main main
function function
function function
--
Bill Gradwohl
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